Home / 12,257.10-18,390.45-4,466.70

Finding the Fourth Proportional to 12,257.10, 18,390.45 and 4,466.70

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Solution

The fourth proportional to 12,257.10, 18,390.45 and 4,466.70 is: 6,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,257.10 : 18,390.45 = 4,466.70 : x
  2. Step 2: Convert to fraction form
    12,257.10/18,390.45 = 4,466.70/x
  3. Step 3: Cross multiply
    12,257.10x = 18,390.45 × 4,466.70
  4. Step 4: Simplify right side
    12,257.10x = 82,144,623.02
  5. Step 5: Solve for x
    x = 82,144,623.02/12,257.10
  6. Step 6: Final answer
    x = 6,701.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.